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49 x^4 - 25 y^2 ? A. (7x^2 - 5y)(7x^2 + 5y) B. (7x^3 - 5y)(7x + 5y) C. (7x^2 - 5y)^2 D. None of these?

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  • 49 x^4 - 25 y^2 ? A. (7x^2 - 5y)(7x^2 + 5y) B. (7x^3 - 5y)(7x + 5y) C. (7x^2 - 5y)^2 D. None of these?


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